An isometric illustration of a book or a calculator. It is a rectangular box with four squares on the front, each with a plus sign on it. The squares are arranged in a grid-like pattern, with the top square being the largest and the bottom two squares being the smallest. The book appears to be a hardcover with a blue cover. in a 3D style, with a simple and minimalistic design.
User roberon uploaded the image
User roberon uploaded the image
